• 2022-07-28
    求如题6-26图所示含运放的二端口网络的[tex=0.786x1.286]YmC97Clv6J6k2IyNV61eAw==[/tex]参数,并画出其[tex=0.714x1.286]atrPPistVyxj7cY8rjePCQ==[/tex]形等效电路。[img=567x376]179bcb12e99a154.png[/img]
  • 解:设端口电压、电流如题解6-26图(a)所示,由运放“虚短”、“虚断”为分析依据及两类约束得[tex=9.929x1.286]nWfwLJFf01s4p3AVvUJPuf0ogFx3SB+HV1eZ4XCMvToCINclMcvEe2AlFfjTxKgX[/tex][tex=13.5x2.071]C93wFSb+xDq4GCreTnr3RbtWxdlGThvngz2wvmmpsc+de+V4ltm2dqnqlb9RrQMpRmpbu1Fe+UlQZHkyAdH8bmPIWF+76KOEGbduRBDVT6Y=[/tex][tex=3.5x1.786]CbD+WaRT3vJJqVEr1Vd0GHJXCcl+HYqPo0YatnMPOtE=[/tex][tex=20.286x6.357]a0s3MH7cLIdmiBRR0YN0601fI9yOeNpc/jCFRWdXlrUgsNGzkaMKPNw7UrfyxIKJwcTdqTdK3QEVjZKZD0KXAohbc6JRcQdsQ6eOuOG8LKqqpvDEbwqGbfnSpjGg9tiSLoDwCjscrz44fTcB90dLaJTb2ZU/GB9sryYqWefpTqGzlp0eZKb8B3K42iqF3BzjI35RM02br+DOoKo5GchV3KGqo3A0GO3WZ5ol0U+5Pvwes0wFEGXOro3AEi9S+row5ACpD0/9Ar8YF/Vdl4d0ouIIqc8pns73ZrgbwhcMbOg=[/tex]故端口的[tex=0.786x1.286]YmC97Clv6J6k2IyNV61eAw==[/tex]参数方程为[p=align:center][tex=8.143x2.786]fnpmC2J6JmQBLyo5NmGAzwAkdvHaejEnG0YNS94sxOBh2HqusxXF08OS88AVMnRBUkc8F+9x3Iv2yppUKWJu9DJoaWnEzQMe0Nh9i+nMgbdmlK8vCqrMJQ5oulFE/uSH[/tex][tex=0.786x1.286]YmC97Clv6J6k2IyNV61eAw==[/tex]参数矩阵为[p=align:center][tex=8.071x2.786]tBZpBwvOsEMhEoFOOmEwzi2+2c/y8i+ZvpkpbSQKstApNX0zRZgTkEk3iQ9jSABzYCh970nzoZYcTSVHm9KRYu35inGWpaNHPoF/kk897mE=[/tex]其[tex=0.714x1.286]atrPPistVyxj7cY8rjePCQ==[/tex]形等效电路如题解6-26图(b)所示。[img=1252x431]179bcb170639e23.png[/img]

    内容

    • 0

      求如题  1-15  图所示电路中的电流  [tex=0.571x1.286]RM7SKoKhXo5BhokAgZJ3fQ==[/tex] 和电压 [tex=0.786x1.286]sgM90Q/VISKeSqiI8AMXRw==[/tex]  值。[img=343x244]1798414524fc0d7.png[/img]

    • 1

      求如题 [tex=1.786x1.0]wlD6TkiOhbmS6GoTRbamqw==[/tex]图所示的分布参数电路的输入阻抗.[img=674x450]17973f243d95be3.png[/img]

    • 2

      求图[tex=2.286x1.143]rAOPc+abs/bCJH6ljEf1TQ==[/tex] (a) 所示二端口电路的 [tex=0.714x1.0]RRR4SYyCqv01G5bWEEMPdw==[/tex] 参数、[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex] 参数、T 参数和 [tex=0.857x1.0]aPLFPHMGSKDwulHSwLWugg==[/tex] 参数。[p=align:center][img=572x234]179ab3949b0a01a.png[/img]

    • 3

      用影响线确定图6-26所示结构,当移动荷载[tex=1.643x1.286]tunMeBwlxJXpHED5n0iCzQ==[/tex]位于[tex=0.857x1.286]s+r8LBAs3scxfl88DGExcg==[/tex]点时截面[tex=0.786x1.286]TKU5UzNEMzEJwORo6mbEYA==[/tex]弯矩的值为[input=type:blank,size:6][/input][img=379x296]17a0480282a65f6.png[/img]

    • 4

      求图11 - 5(a) 所示二端口电路的 [tex=0.714x1.0]RRR4SYyCqv01G5bWEEMPdw==[/tex] 参数矩阵和 [tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex] 参数矩阵。[p=align:center][img=459x213]179ab35fd3b9776.png[/img]